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https://issues.apache.org/jira/browse/ARTEMIS-5164?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17932186#comment-17932186
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jjmarin commented on ARTEMIS-5164:
----------------------------------
We are going to try to reproduce it, we don't know when it happens yet. This
week we are going to load test our application, we are going to try to have a
reproducible test.
To answer your questions, we are not using mirroring, nor priorities. Our
consumers each wake up with their own connection and session. The connection
string : tcp://IP:port?reconnectAttempts=-1. Production is done from these
consumers pointing to a PooledJms connection pool, with
:(tcp://IP01:port,tcp://IP02:port,tcp://IP03:port)?reconnectAttempts=2;failoverAttempts=1;ha=true
If we can find a way to reproduce the scenario, we would be happy to have a
live session.
> AMQ222225: Sending unexpected exception to the client.Message count failure
> ---------------------------------------------------------------------------
>
> Key: ARTEMIS-5164
> URL: https://issues.apache.org/jira/browse/ARTEMIS-5164
> Project: ActiveMQ Artemis
> Issue Type: Bug
> Affects Versions: 2.35.0
> Environment: <cluster-connections>
> <cluster-connection name="mccon">
> <connection-ttl>60000</connection-ttl>
> <call-timeout>5000</call-timeout>
> <retry-interval>500</retry-interval>
> <retry-interval-multiplier>1.0</retry-interval-multiplier>
> <max-retry-interval>5000</max-retry-interval>
> <initial-connect-attempts>-1</initial-connect-attempts>
> <reconnect-attempts>-1</reconnect-attempts>
> <forward-when-no-consumers>false</forward-when-no-consumers>
> <connector-ref>artemis</connector-ref>
> <message-load-balancing>ON_DEMAND</message-load-balancing>
> <max-hops>1</max-hops>
> <static-connectors>
> <connector-ref>node0</connector-ref>
> <connector-ref>node1</connector-ref>
> <connector-ref>node2</connector-ref>
>
> </static-connectors>
> </cluster-connection>
> </cluster-connections>
> Reporter: jjmarin
> Assignee: Clebert Suconic
> Priority: Major
> Labels: pull-request-available
> Fix For: 2.40.0
>
> Attachments: ErrorConsumers1.PNG, ErrorConsumers2.PNG, artemis.log,
> broker.xml
>
> Time Spent: 20m
> Remaining Estimate: 0h
>
> Testing by sending a lot of messages by brokers, about 200,000. We have
> noticed that the count of messages in the queue is broken. When we finished
> consuming messages the website showed us that we had 22 messages. We checked
> if they were scheduled and using the Jolokia API. It told us that we had no
> scheduled messages.
> Checking the log we see that there are 22 instances of
> {{NullPointerException}} with:
> {noformat}
> WARN [org.apache.activemq.artemis.core.server] AMQ222225: Sending unexpected
> exception to the client
> java.lang.NullPointerException: Cannot invoke
> "org.apache.activemq.artemis.core.server.MessageReference.getSequence()"
> because "o1" is null
> at
> org.apache.activemq.artemis.core.server.impl.MessageReferenceImpl$MessageReferenceComparatorSequence.compare(MessageReferenceImpl.java:50)
> ~[artemis-server-2.35.0.jar:2.35.0]
> at
> org.apache.activemq.artemis.core.server.impl.MessageReferenceImpl$MessageReferenceComparatorSequence.compare(MessageReferenceImpl.java:42)
> ~[artemis-server-2.35.0.jar:2.35.0]
> at
> org.apache.activemq.artemis.utils.collections.LinkedListImpl.scanLeft(LinkedListImpl.java:286)
> ~[artemis-commons-2.35.0.jar:2.35.0]
> at
> org.apache.activemq.artemis.utils.collections.LinkedListImpl.addSorted(LinkedListImpl.java:248)
> ~[artemis-commons-2.35.0.jar:2.35.0]
> at
> org.apache.activemq.artemis.utils.collections.PriorityLinkedListImpl.addSorted(PriorityLinkedListImpl.java:93)
> ~[artemis-commons-2.35.0.jar:2.35.0]
> at
> org.apache.activemq.artemis.core.server.impl.QueueImpl.internalAddSorted(QueueImpl.java:3069)
> ~[artemis-server-2.35.0.jar:2.35.0]
> at
> org.apache.activemq.artemis.core.server.impl.QueueImpl.addSorted(QueueImpl.java:1180)
> ~[artemis-server-2.35.0.jar:2.35.0]
> at
> org.apache.activemq.artemis.core.server.impl.QueueImpl.addSorted(QueueImpl.java:1215)
> ~[artemis-server-2.35.0.jar:2.35.0]
> at
> org.apache.activemq.artemis.core.server.impl.QueueImpl.postRollback(QueueImpl.java:4247)
> ~[artemis-server-2.35.0.jar:2.35.0]
> at
> org.apache.activemq.artemis.core.server.impl.RefsOperation.afterRollback(RefsOperation.java:131)
> ~[artemis-server-2.35.0.jar:2.35.0]
> at
> org.apache.activemq.artemis.core.transaction.impl.TransactionImpl.afterRollback(TransactionImpl.java:600)
> ~[artemis-server-2.35.0.jar:2.35.0]
> at
> org.apache.activemq.artemis.core.transaction.impl.TransactionImpl$4.done(TransactionImpl.java:436)
> ~[artemis-server-2.35.0.jar:2.35.0]
> at
> org.apache.activemq.artemis.core.persistence.impl.journal.OperationContextImpl.executeOnCompletion(OperationContextImpl.java:226)
> ~[artemis-server-2.35.0.jar:2.35.0]
> at
> org.apache.activemq.artemis.core.persistence.impl.journal.OperationContextImpl.executeOnCompletion(OperationContextImpl.java:168)
> ~[artemis-server-2.35.0.jar:2.35.0]
> at
> org.apache.activemq.artemis.core.persistence.impl.journal.AbstractJournalStorageManager.afterCompleteOperations(AbstractJournalStorageManager.java:352)
> ~[artemis-server-2.35.0.jar:2.35.0]
> at
> org.apache.activemq.artemis.core.transaction.impl.TransactionImpl.internalRollback(TransactionImpl.java:427)
> ~[artemis-server-2.35.0.jar:2.35.0]
> at
> org.apache.activemq.artemis.core.transaction.impl.TransactionImpl.rollback(TransactionImpl.java:400)
> ~[artemis-server-2.35.0.jar:2.35.0]
> at
> org.apache.activemq.artemis.core.server.impl.ServerConsumerImpl.close(ServerConsumerImpl.java:594)
> ~[artemis-server-2.35.0.jar:2.35.0]
> at
> org.apache.activemq.artemis.core.server.impl.ServerSessionImpl.closeConsumer(ServerSessionImpl.java:1765)
> ~[artemis-server-2.35.0.jar:2.35.0]
> at
> org.apache.activemq.artemis.core.protocol.core.ServerSessionPacketHandler.slowPacketHandler(ServerSessionPacketHandler.java:627)
> ~[artemis-server-2.35.0.jar:2.35.0]
> at
> org.apache.activemq.artemis.core.protocol.core.ServerSessionPacketHandler.onMessagePacket(ServerSessionPacketHandler.java:319)
> ~[artemis-server-2.35.0.jar:2.35.0]
> at org.apache.activemq.artemis.utils.actors.Actor.doTask(Actor.java:32)
> ~[artemis-commons-2.35.0.jar:2.35.0]
> at
> org.apache.activemq.artemis.utils.actors.ProcessorBase.executePendingTasks(ProcessorBase.java:68)
> ~[artemis-commons-2.35.0.jar:2.35.0]
> at
> org.apache.activemq.artemis.utils.actors.OrderedExecutor.doTask(OrderedExecutor.java:57)
> ~[artemis-commons-2.35.0.jar:2.35.0]
> at
> org.apache.activemq.artemis.utils.actors.OrderedExecutor.doTask(OrderedExecutor.java:32)
> ~[artemis-commons-2.35.0.jar:2.35.0]
> at
> org.apache.activemq.artemis.utils.actors.ProcessorBase.executePendingTasks(ProcessorBase.java:68)
> ~[artemis-commons-2.35.0.jar:2.35.0]
> at
> java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1144)
> [?:?]
> at
> java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:642)
> [?:?]
> at
> org.apache.activemq.artemis.utils.ActiveMQThreadFactory$1.run(ActiveMQThreadFactory.java:118)
> [artemis-commons-2.35.0.jar:2.35.0]{noformat}
> We understand that this is related and we haven't found out why it happens.
> Any ideas?
>
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